/**
  * Send welcome message
  *
  * @param void
  * @return null
  */
 function send_welcome_message()
 {
     if ($this->active_user->isNew()) {
         $this->httpError(HTTP_ERR_NOT_FOUND);
     }
     // if
     if (!$this->active_user->canSendWelcomeMessage($this->logged_user)) {
         $this->httpError(HTTP_ERR_FORBIDDEN);
     }
     // if
     $this->skip_layout = $this->request->isAsyncCall();
     $welcome_message_data = $this->request->post('welcome_message');
     if (!is_array($welcome_message_data)) {
         $welcome_message_data = array('message' => UserConfigOptions::getValue('welcome_message', $this->active_user));
     }
     // if
     $this->smarty->assign('welcome_message_data', $welcome_message_data);
     if ($this->request->isSubmitted()) {
         $welcome_message = trim(array_var($welcome_message_data, 'message'));
         if ($welcome_message) {
             UserConfigOptions::setValue('welcome_message', $welcome_message, $this->active_user);
         } else {
             UserConfigOptions::removeValue('welcome_message', $this->active_user);
         }
         // if
         $password = make_password(11);
         $this->active_user->setPassword($password);
         $save = $this->active_user->save();
         if ($save && !is_error($save)) {
             $welcome_message_sent = ApplicationMailer::send(array($this->active_user), 'system/new_user', array('created_by_id' => $this->logged_user->getId(), 'created_by_name' => $this->logged_user->getDisplayName(), 'created_by_url' => $this->logged_user->getViewUrl(), 'email' => $this->active_user->getEmail(), 'password' => $password, 'login_url' => assemble_url('login'), 'welcome_body' => $welcome_message ? nl2br(clean($welcome_message)) : ''));
             if ($welcome_message_sent) {
                 $message = lang('Welcome message has been sent to :name', array('name' => $this->active_user->getDisplayName()));
             } else {
                 $message = lang('Failed to send welcome message to :name. Please try again later', array('name' => $this->active_user->getDisplayName()));
             }
             // if
             if ($this->request->isAsyncCall()) {
                 die($message);
             } else {
                 flash_success($message);
                 $this->redirectToUrl($this->active_user->getViewUrl());
             }
             // if
         } else {
             if ($this->request->isAsyncCall()) {
                 $this->httpError(HTTP_ERR_OPERATION_FAILED);
             } else {
                 flash_error($message);
                 $this->redirectToUrl($this->active_user->getViewUrl());
             }
             // if
         }
         // if
     }
     // if
 }